Key issues in intervention research: A p
β
Mark W. Lipsey
π
Article
π
1996
π
John Wiley and Sons
π
English
β 379 KB
π 2 views
Over the kist tcrw dec~idcs, theory arid prcicticc in the ,field of program etlaluarion have generuted LI rich array of concepts and methods jor research on the Cffwtiveness o f sociul programs. This paper attempts to .summririzc the 1es.vons ,from program evaluation research that might ust?fifillly